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Flexible molding system makes three types of large parts.


Powerfeed, a novel molding system in which a single extruder fills up to four independently operated mold cells, now has a choice of three molding modules and is offered in a mare mare

Any flat, low, dark plain on the Moon. Maria are huge impact basins containing lava flows marked by ridges, depressions (graben), and faults; though mare means “sea” in Latin, they lack water.
 modular design In the context of systems engineering, modular design — or "modularity in design" — is an approach aiming to subdivide a system into smaller parts (modules) that can be independently created and then used in different systems to drive multiple functionalities. . The patented system from ForcePro LLC (Logical Link Control) See "LANs" under data link protocol.

LLC - Logical Link Control
, Tulsa, Okla., fills the mold clamps one at a time. Parts can be ejected from one station while mold filling and cooling or a tool change occurs in other stations. A PLC controller monitors the process at each mold to maintain optimal flow rates and fill times.

The molding cell can be designed for injection molding injection molding
n.
A manufacturing process for forming objects, as of plastic or metal, by heating the molding material to a fluid state and injecting it into a mold.
 (called the Mark-IM unit), structural foam (Nexus-SF), and now also molded railroad railroad or railway, form of transportation most commonly consisting of steel rails, called tracks, on which freight cars, passenger cars, and other rolling stock are drawn by one locomotive or more.  ties (Linx-RR). Though previously sold only as a four-cell system, ForcePro now offers the unit in a base design with a single extruder and one molding cell. Up to three molding cells of the same or different types can be added to the base unit. The base system costs around $1 million, including all design and related automation for part handling. Each add-on molding cell is priced around $500,000.

The energy-saving system uses just 40 hp to run the four molding cells. Output is increased because the cooling cycle no longer retards the overall molding cycle. A 6-in. extruder capable of 2500 lb/hr is standard, although a 10-in., 4800-lb/hr model makes six railroad ties per hour. ForcePro is working on a system to add colorants or fiberglass fiberglass, thread made from glass. It is made by forcing molten glass through a kind of sieve, thereby spinning it into threads. Fiberglass is strong, durable, and impervious to many caustics and to extreme temperatures.  at each molding cell. Tel: (918) 382-9876, www.forcepro.net

[ILLUSTRATION OMITTED]
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Title Annotation:Injection Molding
Publication:Plastics Technology
Date:Mar 1, 2004
Words:250
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